<template>
  <div class="swiper-container swiper-skuinfo">
    <div class="swiper-wrapper">
      <div class="swiper-slide" v-for="skuImg in skuInfo.skuImageList" :key="skuImg.id"
        @click="handlerChangeImgs(skuImg)">
        <img :class="{ active: skuImg.isDefault === '1' }" :src="skuImg.imgUrl">
      </div>
    </div>
    <div class="swiper-button-next"></div>
    <div class="swiper-button-prev"></div>
  </div>
</template>

<script>

import Swiper from 'swiper'
import { mapGetters, mapMutations } from 'vuex'
export default {
  name: "ImageList",
  computed: {
    ...mapGetters('detail', ['skuInfo'])
  },
  methods: {
    // 映射vuex中mutations中的方法来修改数据
    ...mapMutations('detail', ['CHANGE_SKUINFO_IMGURL']),
    // 处理图片
    handlerChangeImgs(skuImg) {
      // 非组件自身数据自身不更改
      this.CHANGE_SKUINFO_IMGURL(skuImg);
    }
  },
  watch: {
    skuInfo() {
      this.$nextTick(() => {
        new Swiper('.swiper-skuinfo', {
          // 图片间距
          spaceBetween: 100,
          slidesPerView: 'auto',
          // 如果需要前进后退按钮
          navigation: {
            nextEl: '.swiper-button-next',
            prevEl: '.swiper-button-prev',
          },
        })
      })
    }
  },
}
</script>

<style lang="less" scoped>
.swiper-container {
  height: 56px;
  width: 412px;
  box-sizing: border-box;
  padding: 0 12px;

  .swiper-slide {
    width: 56px;
    height: 56px;

    img {
      width: 100%;
      height: 100%;
      border: 1px solid #ccc;
      padding: 2px;
      width: 50px;
      height: 50px;
      display: block;

      &.active {
        border: 2px solid #f60;
        padding: 1px;
      }

      &:hover {
        border: 2px solid #f60;
        padding: 1px;
      }
    }
  }

  .swiper-button-next {
    left: auto;
    right: 0;
  }

  .swiper-button-prev {
    left: 0;
    right: auto;
  }

  .swiper-button-next,
  .swiper-button-prev {
    box-sizing: border-box;
    width: 12px;
    height: 56px;
    background: rgb(235, 235, 235);
    border: 1px solid rgb(204, 204, 204);
    top: 0;
    margin-top: 0;

    &::after {
      font-size: 12px;
    }
  }
}
</style>